Networking & communication systems

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Communications redundancy increases VMS reliabilityHybrid communications to variable message signs increase resilience to natural disasters and enable deployment in remote areas, as Alan Allegretto explains. Variable Message Signs (VMSs) are a common sight and a well-proven means to improve public safety on our roads and highways. ITS professionals rank the VMS as second only to interoperable radios as the most important technology to improve...

Wireless bridges widen options for ITS upgradesAntaira Technologies' marketing engineer Brian Roth explains why the increasing capacity of wireless bridges is reducing the cost of expanding and upgrading ITS networks. With more than half of the world's population now living in cities, the need for efficient transportation of both people and goods has never been greater and that pressure is unlikely to ease any time soon. Indeed in many...

America's legislature to consider the future of 5.9GHzColin Sowman catches up with the latest moves in the 5.9GHz exclusivity debate. The Wi-Fi Innovation Act, recently introduced to both the US Senate and its House of Representatives, moves into a new phase in the debate over the exclusive right of the 5.9GHz band for Vehicle to Vehicle (V2V) communications. If the Act comes into law, it would require the Federal Communications Commission (FCC)...

Products

SkyBeam optical transmissionAMG Systems has launched a new series of multi-beam free space optical transmission solutions that can bridge the gap between two sites that have fibreoptic cabling but where...

PoE fibre transmissionKBC Networks has added PoE (Power over Ethernet) to its network transmission range. The first of the new products is a fully ruggedised 10/100 Ethernet media converter with...

Multi-hop data radioThe new Multi-Hop Data Radio from Banner Engineering extends the reach of the company's SureCross wireless systems by repeating transmissions in 3km 'hops' to a multi-hop...